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// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Diagnostics.CodeAnalysis;
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using Mono.Linker.Tests.Cases.Expectations.Helpers;
using Mono.Linker.Tests.Cases.Expectations.Metadata;
namespace Mono.Linker.Tests.Cases.DataFlow
{
[SetupCompileArgument ("/unsafe")]
[SkipKeptItemsValidation]
[ExpectedNoWarnings]
class UnsafeDataFlow
{
public static void Main ()
{
TestReadFromPointer ();
TestWriteToPointer ();
TestWriteToStackAllocedStruct ();
}
// We don't analyze the pointer manipulation, so it should produce a warning
// about reading an unknown type, without crashing the analyzer.
[ExpectedWarning ("IL2062", nameof (DataFlowTypeExtensions.RequiresAll))]
static unsafe void TestReadFromPointer ()
{
int i = 6;
int* pI = &i;
Type[] arr = new Type[] { GetWithPublicMethods () };
arr[*pI].RequiresAll ();
}
// We don't analyze the pointer manipulation, so it should produce a warning
// about reading an unknown type, without crashing the analyzer.
[ExpectedWarning ("IL2062", nameof (DataFlowTypeExtensions.RequiresAll))]
static unsafe void TestWriteToPointer ()
{
int i = 6;
int* pI = &i;
*pI = 0;
Type[] arr = new Type[] { GetWithPublicMethods () };
arr[i].RequiresAll ();
}
// We don't analyze the stackalloc'd struct member, so it should produce a warning
// about reading an unknown type, without crashing the analyzer.
[ExpectedWarning ("IL2062", nameof (DataFlowTypeExtensions.RequiresAll))]
static unsafe void TestWriteToStackAllocedStruct ()
{
var stackArr = stackalloc S[1];
stackArr[0] = new S {
I = 0
};
Type[] arr = new Type[] { GetWithPublicMethods () };
arr[stackArr[0].I].RequiresAll ();
}
struct S
{
public int I;
}
[return: DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicMethods)]
static Type GetWithPublicMethods () => null;
}
}
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